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BMC Infect Dis ; 18(1): 146, 2018 04 02.
Artigo em Inglês | MEDLINE | ID: mdl-29606119

RESUMO

BACKGROUND: Invasive Meningococcal Disease (IMD) is a rare and critical disease in Japan. Most of these cases are caused by capsulated Neisseria meningitidis strains. Non-capsulated (non-typable) strains are considered relatively low-pathogenic and can colonize in the nasopharynx of healthy children and young adults. As far as could be ascertained, only twelve IMD cases due to non-capsulated strains have been reported in the literature. No clear risk factors could be identified in a literature review (unknown or immunocompetent, seven cases; C6 deficiency, three cases). CASE PRESENTATION: We report a Japanese male taxi driver with bacteremia and meningitis due to non-capsulated N. meningitidis. He had a fever and shaking chills. Ceftriaxone was administered, and the patient finally recovered. During the clinical course, relative adrenal insufficiency occurred and was treated with hydrocortisone. A hidden co-morbidity, immunoglobulin G4 (IgG4)-related disease, was revealed in the past surgical history (a resection of bilateral orbital tumors), which included symptoms (swelling lachrymal glands and lymph nodes), elevated IgG4, immunoglobulin E, and hypocomplementemia. He recovered finally and no recurrence was observed. CONCLUSIONS: Our IMD case is the first reported in Japan, where IMD is not considered pandemic. The patient had a history of IgG4-related disease, although we could not establish a clear relationship between the patient's IMD and co-morbidity. A collection of further clinical cases might establish the risk factors and characteristics of IMD that could be caused by this neglected pathogen, non-capsulated N. meningitidis.


Assuntos
Doenças Autoimunes/complicações , Imunoglobulina G/imunologia , Infecções Meningocócicas/complicações , Infecções Meningocócicas/diagnóstico , Neisseria meningitidis/isolamento & purificação , Ceftriaxona/uso terapêutico , Humanos , Japão , Masculino , Infecções Meningocócicas/tratamento farmacológico , Pessoa de Meia-Idade , Neisseria meningitidis/classificação , Neisseria meningitidis/imunologia
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